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{"bugzilla": {"description": "binutils: libiberty/rust-demangle.c in GNU GCC 11.2 allows stack exhaustion in demangle_const", "id": "2071728", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2071728"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.", "A flaw was found in binutils, where GNU GCC is vulnerable to a denial of service caused by a stack consumption in the demangle_const() function in ibiberty/rust-demangle.c. The vulnerability exists due to the application not properly controlling the consumption of internal resources. By persuading a victim to open a specially-crafted file, an attacker could cause a denial of service."], "name": "CVE-2022-27943", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "compat-gcc-295", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "compat-gcc-296", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "compat-gcc-32", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "compat-gcc-34", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "gcc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "compat-gcc-32", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "compat-gcc-34", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "compat-gcc-44", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "gcc", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "gcc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "gcc-toolset-10-gcc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "gcc-toolset-11-gcc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "gcc", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "gcc", "product_name": "Red Hat Virtualization 4"}], "public_date": "2022-03-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-27943\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-27943"], "statement": "The issue is classified as low severity primarily because binutils is not typically exposed to untrusted inputs in most environments, limiting its exploitation potential. The stack overflow in demangle_const() only triggers during the parsing of malformed ELF files, which would require an attacker to convince a user to process a malicious file with it. Moreover, binutils does not handle privileged operations, meaning exploitation is unlikely to lead to system compromise or escalation of privileges. Additionally, the impact is localized to the application itself, without affecting the broader system or network security.", "threat_severity": "Low"}

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